Product Description
440-SR Answer to common Sr questions - Uses stock sheet metal valley pan with ½in. end rail spacer or Indy valley plate (# 440-6 or 400-6) - Uses 440-10 external oil line kit - Installation kit available (440-9, 440-10, 440-16) - Assembled heads come with hydraulic, solid, or roller springs good up to .650in. lift - Recommended 10 degree locks for solid or roller cam - Customer must supply cam specs - Machined for stock rocker shafts - Uses any aftermarket adjustable rocker from stock type head (906, 452, etc.) - Indy's roller rocker kit (440-SR 1.5 or 1.6 ratio) - Stock 440 exhaust bolt pattern (raised exhaust port, may need custom headers) - Accessory holes in stock location - Intake port volume 265cc - Intake volume is 65cc bigger than stock head - Exhaustport volume 106cc - Intake valve diameter 2.19in. - 5.344in. overall length - Exhaust valve diameter 1.81in. - 5.370in. overall length - 75cc combustion chamber volume (heart shaped) - Flat mill .066in. per combustion chamber cc - Can be milled to 62cc - 2in. spring height, spring seats, 1.550in., can cut 1.625in. - Can port match to max wedge intake size - Head gasket: Fel-Pro #1009 - Head bolts: Manley #440-16 - Head studs: ARP #440-17 - Valve guides 11/32 solid bronze - ¾ reach gasket seat spark plugs - Champion C57CX(cold) to C63CX (hot) - All aftermarket intakes fit (modify to max wedge) - Head bold torque 70 ft. Ibs. The best, most cost effective choice for the performance minded Chrysler enthusiast just got better. It now features a new more efficient heart shaped chamber. Convert your stock iron head to the 440-SR and your intake, rocker shafts, rocker arms, valve covers, pistons (either dome or flat top) will work. The 440-SR is the most versatile head Indy has to offer. It is true bolt on 60 to 75 HP in stock form. Even a fully ported stock iron head is not as good as a stock 440-SR. The use of the 440-SR range from a daily driver to a 670 HP 500in. cid on pump gas /with heads in fully ported form with the 440-1 max wedge intake port opening). The 440-SR also makes a perfect power upgrade replacement head for bracket cars. Long Valve Design - Feel the power! - Rocker shaft torque 25 to 30 ft. lbs. - 440-SR heads with Indy valves, no block or head milling, use the following pushrod lengths: - RB solid 9.750in. - RB hydraulic 9.500in. - B solid 9.000in. - B hydraulic 8.750in. - Roller cam pushrod length must be checked - Best engine range 383in. to 500in.
